18881646

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{449563}}^1$

素因数の和:449575

約数の個数: 16

約数和(自身を含む): 43158144

約数和(自身を除く): 24276498

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 449563, 899126, 1348689, 2697378, 3146941, 6293882, 9440823, 18881646]

約数ペア:

[(1, 18881646), (2, 9440823), (3, 6293882), (6, 3146941), (7, 2697378), (14, 1348689), (21, 899126), (42, 449563)]